#include "InsetMathStackrel.h"
-#include "Cursor.h"
-#include "LaTeXFeatures.h"
#include "MathData.h"
#include "MathStream.h"
+#include "Cursor.h"
+#include "LaTeXFeatures.h"
+#include "MetricsInfo.h"
+
+#include "support/lassert.h"
+
using namespace std;
namespace lyx {
bool InsetMathStackrel::idxUpDown(Cursor & cur, bool up) const
{
+ idx_type const npos = 1234; // impossible number
+ idx_type target = npos;
if (up) {
- if (cur.idx() == 0)
- return false;
+ idx_type const targets[] = { 1, npos, 0 };
+ target = targets[cur.idx()];
} else {
- if (cur.idx() + 1 == nargs())
- return false;
+ idx_type const targets[] = { 2, 0, npos };
+ target = targets[cur.idx()];
}
- InsetMath::idx_type target = up ? cur.idx() - 1 : cur.idx() + 1;
- if (cur.idx() == target)
+
+ if (target == npos || target == nargs())
return false;
cur.idx() = target;
cur.pos() = cell(target).x2pos(&cur.bv(), cur.x_target());
}
+bool InsetMathStackrel::idxFirst(Cursor & cur) const
+{
+ LASSERT(&cur.inset() == this, return false);
+ cur.idx() = 0;
+ cur.pos() = 0;
+ return true;
+}
+
+
+bool InsetMathStackrel::idxLast(Cursor & cur) const
+{
+ LASSERT(&cur.inset() == this, return false);
+ cur.idx() = 0;
+ cur.pos() = cur.lastpos();
+ return true;
+}
+
+
+MathClass InsetMathStackrel::mathClass() const
+{
+ // FIXME: update this when/if \stackbin is supported
+ return MC_REL;
+}
+
+
void InsetMathStackrel::metrics(MetricsInfo & mi, Dimension & dim) const
{
- Dimension dim1;
- cell(1).metrics(mi, dim1);
- FracChanger dummy(mi.base);
+ Changer dummy2 = mi.base.changeEnsureMath();
Dimension dim0;
cell(0).metrics(mi, dim0);
+ Changer dummy = mi.base.changeScript();
+ Dimension dim1;
+ cell(1).metrics(mi, dim1);
if (nargs() > 2) {
Dimension dim2;
cell(2).metrics(mi, dim2);
- dim.wid = max(max(dim0.width(), dim1.width()), dim2.width()) + 4;
- dim.asc = dim1.ascent() + dim0.height() + 4;
- dim.des = dim1.descent() + dim2.height() + dim2.descent() + 1;
+ dim.wid = max(max(dim1.width(), dim0.width()), dim2.width()) + 4;
+ dim.asc = dim0.ascent() + dim1.height() + 4;
+ dim.des = dim0.descent() + dim2.height() + dim2.descent() + 1;
} else {
- dim.wid = max(dim0.width(), dim1.width()) + 4;
- dim.asc = dim1.ascent() + dim0.height() + 4;
- dim.des = dim1.descent();
+ dim.wid = max(dim1.width(), dim0.width()) + 4;
+ dim.asc = dim0.ascent() + dim1.height() + 4;
+ dim.des = dim0.descent();
}
- metricsMarkers(dim);
}
void InsetMathStackrel::draw(PainterInfo & pi, int x, int y) const
{
+ Changer dummy2 = pi.base.changeEnsureMath();
Dimension const dim = dimension(*pi.base.bv);
Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.width() / 2;
- int yo = y - dim1.ascent() - dim0.descent() - 1;
- cell(1).draw(pi, m - dim1.width() / 2, y);
- FracChanger dummy(pi.base);
- cell(0).draw(pi, m - dim0.width() / 2, yo);
+ int yo = y - dim0.ascent() - dim1.descent() - 1;
+ cell(0).draw(pi, m - dim0.width() / 2, y);
+ Changer dummy = pi.base.changeScript();
+ cell(1).draw(pi, m - dim1.width() / 2, yo);
if (nargs() > 2) {
Dimension const & dim2 = cell(2).dimension(*pi.base.bv);
- int y2 = y + dim1.descent() + dim2.ascent() + 1;
+ int y2 = y + dim0.descent() + dim2.ascent() + 1;
cell(2).draw(pi, m - dim2.width() / 2, y2);
}
- drawMarkers(pi, x, y);
}
os << "\\stackrel";
if (nargs() > 2)
os << '[' << cell(2) << ']';
- os << '{' << cell(0) << "}{" << cell(1) << '}';
+ os << '{' << cell(1) << "}{" << cell(0) << '}';
}
void InsetMathStackrel::normalize(NormalStream & os) const
{
- os << "[stackrel " << cell(0) << ' ' << cell(1);
+ os << "[stackrel " << cell(1) << ' ' << cell(0);
if (nargs() > 2)
os << ' ' << cell(2);
os << ']';
void InsetMathStackrel::mathmlize(MathStream & ms) const
{
if (nargs() > 2)
- ms << "<munderover>" << cell(1) << cell(2) << cell(0) << "</munderover>";
+ ms << "<" << from_ascii(ms.namespacedTag("munderover")) << ">"
+ << cell(0) << cell(2) << cell(1)
+ << "</" << from_ascii(ms.namespacedTag("munderover")) << ">";
else
- ms << "<mover accent='false'>" << cell(1) << cell(0) << "</mover>";
+ ms << "<" << from_ascii(ms.namespacedTag("mover")) << " accent='false'>"
+ << cell(0) << cell(1)
+ << "</" << from_ascii(ms.namespacedTag("mover")) << ">";
}
{
if (nargs() > 2) {
os << MTag("span", "class='underoverset'")
- << MTag("span", "class='top'") << cell(0) << ETag("span")
- << MTag("span") << cell(1) << ETag("span")
+ << MTag("span", "class='top'") << cell(1) << ETag("span")
+ << MTag("span") << cell(0) << ETag("span")
<< MTag("span", "class='bottom'") << cell(2) << ETag("span");
} else {
// at the moment, this is exactly the same as overset
os << MTag("span", "class='overset'")
- << MTag("span", "class='top'") << cell(0) << ETag("span")
- << MTag("span") << cell(1) << ETag("span");
+ << MTag("span", "class='top'") << cell(1) << ETag("span")
+ << MTag("span") << cell(0) << ETag("span");
}
os << ETag("span");
}